Attributes . Forged Brass Head, Spiral Mixer Blends Oxygen and Fuel, Smooth Cutting Valve (Push Type), Stainless Steel Tubes, Brass Coupling Nut & Double "O" Ring Tapered Seal Gives Quick Gas-Tight Seal Without a Tightening Wrench, Length 10.5" (266.7 mm) - Weight 32 Oz. (0.91 kg) . Names